Add logging statement when saving verbose chemkin file.

Otherwise there is a duplicate "Chemkin file contains X reactions"
statement without explanation.
Add bash and windows bat files to new liquid phase and nitrogen examples.
Change termination criteria for liquid phase examples to attainable value.

Conversion of octane was stuck at 8e-3 for quite some time...
Added sensitivity attributes to LiquidReactor

Sensitivity not yet implemented for LiquidReactor but this prevents
liquid examples from crashing at the very end when attempting to do sensitivity
analysis.  Also, sensitivity should be added at some point...
Suppress print message for Negative ISE resetting when fitting Wilhoit to NASA.

The print message is useless and distracting in the log file.
Raise kinetics error with debugging print lines instead of using assertion.

For errors attributed to reverse reactions in families that are their own
reverse.
Added unit test for transport database
Slightly better error message when missing transport data groups.

It now tells you which atom in the adjacency list is causing the problem.